docs/mm: Physical Memory: remove deferred_split_queue

[PATCH] docs/mm: Physical Memory: remove deferred_split_queue

Posted by Zenghui Yu 3 days, 12 hours ago

From: "Zenghui Yu (Huawei)" <zenghui.yu@linux.dev>

deferred_split_queue was removed from struct pglist_data {} in commit
fafaeceb89a5 ("mm: switch deferred split shrinker to list_lru").  Remove
its description in doc as well.

Signed-off-by: Zenghui Yu (Huawei) <zenghui.yu@linux.dev>
---
 Documentation/mm/physical_memory.rst | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/Documentation/mm/physical_memory.rst b/Documentation/mm/physical_memory.rst
index b76183545e5b..a09407d72973 100644
--- a/Documentation/mm/physical_memory.rst
+++ b/Documentation/mm/physical_memory.rst
@@ -262,9 +262,6 @@ General
   PFN that needs to be initialized. Defined only when
   ``CONFIG_DEFERRED_STRUCT_PAGE_INIT`` is enabled
 
-``deferred_split_queue``
-  Per-node queue of huge pages that their split was deferred. Defined only when ``CONFIG_TRANSPARENT_HUGEPAGE`` is enabled.
-
 ``__lruvec``
   Per-node lruvec holding LRU lists and related parameters. Used only when
   memory cgroups are disabled. It should not be accessed directly, use
-- 
2.53.0

Re: [PATCH] docs/mm: Physical Memory: remove deferred_split_queue

Posted by SJ Park 2 days, 23 hours ago

On Tue, 21 Jul 2026 19:19:19 +0800 Zenghui Yu <zenghui.yu@linux.dev> wrote:

> From: "Zenghui Yu (Huawei)" <zenghui.yu@linux.dev>
> 
> deferred_split_queue was removed from struct pglist_data {} in commit
> fafaeceb89a5 ("mm: switch deferred split shrinker to list_lru").  Remove
> its description in doc as well.

Nice cleanup, thank you!

> 
> Signed-off-by: Zenghui Yu (Huawei) <zenghui.yu@linux.dev>

Reviewed-by: SJ Park <sj@kernel.org>

> ---
>  Documentation/mm/physical_memory.rst | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/Documentation/mm/physical_memory.rst b/Documentation/mm/physical_memory.rst
> index b76183545e5b..a09407d72973 100644
> --- a/Documentation/mm/physical_memory.rst
> +++ b/Documentation/mm/physical_memory.rst
> @@ -262,9 +262,6 @@ General
>    PFN that needs to be initialized. Defined only when
>    ``CONFIG_DEFERRED_STRUCT_PAGE_INIT`` is enabled
>  
> -``deferred_split_queue``
> -  Per-node queue of huge pages that their split was deferred. Defined only when ``CONFIG_TRANSPARENT_HUGEPAGE`` is enabled.
> -

+1 for removing >80 columns line :)


Thanks,
SJ

[...]

Re: [PATCH] docs/mm: Physical Memory: remove deferred_split_queue

Posted by Lorenzo Stoakes (ARM) 3 days, 12 hours ago

On Tue, Jul 21, 2026 at 07:19:19PM +0800, Zenghui Yu wrote:
> From: "Zenghui Yu (Huawei)" <zenghui.yu@linux.dev>
>
> deferred_split_queue was removed from struct pglist_data {} in commit
> fafaeceb89a5 ("mm: switch deferred split shrinker to list_lru").  Remove
> its description in doc as well.
>
> Signed-off-by: Zenghui Yu (Huawei) <zenghui.yu@linux.dev>

LGTM so

Reviewed-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>

> ---
>  Documentation/mm/physical_memory.rst | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/Documentation/mm/physical_memory.rst b/Documentation/mm/physical_memory.rst
> index b76183545e5b..a09407d72973 100644
> --- a/Documentation/mm/physical_memory.rst
> +++ b/Documentation/mm/physical_memory.rst
> @@ -262,9 +262,6 @@ General
>    PFN that needs to be initialized. Defined only when
>    ``CONFIG_DEFERRED_STRUCT_PAGE_INIT`` is enabled
>
> -``deferred_split_queue``
> -  Per-node queue of huge pages that their split was deferred. Defined only when ``CONFIG_TRANSPARENT_HUGEPAGE`` is enabled.
> -
>  ``__lruvec``
>    Per-node lruvec holding LRU lists and related parameters. Used only when
>    memory cgroups are disabled. It should not be accessed directly, use
> --
> 2.53.0
>

Cheers, Lorenzo

Re: [PATCH] docs/mm: Physical Memory: remove deferred_split_queue

Posted by David Hildenbrand (Arm) 3 days, 12 hours ago

On 7/21/26 13:19, Zenghui Yu wrote:
> From: "Zenghui Yu (Huawei)" <zenghui.yu@linux.dev>
> 
> deferred_split_queue was removed from struct pglist_data {} in commit
> fafaeceb89a5 ("mm: switch deferred split shrinker to list_lru").  Remove
> its description in doc as well.
> 
> Signed-off-by: Zenghui Yu (Huawei) <zenghui.yu@linux.dev>
> ---
>  Documentation/mm/physical_memory.rst | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/Documentation/mm/physical_memory.rst b/Documentation/mm/physical_memory.rst
> index b76183545e5b..a09407d72973 100644
> --- a/Documentation/mm/physical_memory.rst
> +++ b/Documentation/mm/physical_memory.rst
> @@ -262,9 +262,6 @@ General
>    PFN that needs to be initialized. Defined only when
>    ``CONFIG_DEFERRED_STRUCT_PAGE_INIT`` is enabled
>  
> -``deferred_split_queue``
> -  Per-node queue of huge pages that their split was deferred. Defined only when ``CONFIG_TRANSPARENT_HUGEPAGE`` is enabled.
> -
>  ``__lruvec``
>    Per-node lruvec holding LRU lists and related parameters. Used only when
>    memory cgroups are disabled. It should not be accessed directly, use

Acked-by: David Hildenbrand (Arm) <david@kernel.org>

-- 
Cheers,

David